Home / 1,429,351.75-2,144,027.64-432,079.75

Finding the Fourth Proportional to 1,429,351.75, 2,144,027.64 and 432,079.75

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Solution

The fourth proportional to 1,429,351.75, 2,144,027.64 and 432,079.75 is: 648,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,351.75 : 2,144,027.64 = 432,079.75 : x
  2. Step 2: Convert to fraction form
    1,429,351.75/2,144,027.64 = 432,079.75/x
  3. Step 3: Cross multiply
    1,429,351.75x = 2,144,027.64 × 432,079.75
  4. Step 4: Simplify right side
    1,429,351.75x = 926,390,926,684.29
  5. Step 5: Solve for x
    x = 926,390,926,684.29/1,429,351.75
  6. Step 6: Final answer
    x = 648,119.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.